---
name: Doubao Seed Character
slug: doubao-seed-character
type: Multimodal
providers:
  - nano-gpt
description: >-
  ByteDance's character-focused Doubao Seed model for roleplay, persona
  consistency, dialogue, and creative character interactions. It supports text
  and image input with a 128k context window. Requests route through ZenMux to
  ByteDance; ZenMux does not publish a model-API zero-retention or training
  guarantee, so avoid sensitive data.
tags:
  - seed
  - reasoning
  - multimodal
is_open_source: false
context_window: 128000
max_output: 32768
pricing:
  - image: 0
    input: 0.1179
    output: 0.2947
    provider: nano-gpt
release_date: '2026-07-18'
capabilities:
  audio: false
  vision: true
  tool_use: false
  citations: false
  reasoning: true
---
Doubao Seed Character is a Multimodal model.
ByteDance's character-focused Doubao Seed model for roleplay, persona consistency, dialogue, and creative character interactions. It supports text and image input with a 128k context window. Requests route through ZenMux to ByteDance; ZenMux does not publish a model-API zero-retention or training guarantee, so avoid sensitive data.